uploader- attribute selection is flat list, #548
initial annotations backend work
add askbot feedback link, refs #803

tried using existing widget but adapted to a more lazy loading
appproach to avoid a heavy page load

removed activity notifier, too
Merge branch 'master' into iss-803-askbot-widget
askbot widget, follow up to @e10cc26, refs #803

remove tooltip 'search or ask your question' div
adjust height to prevent scrollbar
Merge branch 'iss-803-askbot-widget'
Merge branch 'issue-660-new-annotations'

Conflicts:
	.gitignore
Merge branch 'iss-549-time-attribute-list'